[英]How to align bootstrap div horizontally on the page?
嗨，請看一下代碼：
<form runat="server">
<div class="container">
<div class="row">
<div class="col-md-6">
<div class="panel panel-primary">
<div class="panel-heading text-center">
<h3 class="panel-title">
<span class="glyphicon glyphicon-bookmark"></span> Quick Shortcuts</h3>
</div>
<div class="panel-body">
<div class="row">
<div class="text-center">
<a href="#" class="btn btn-danger btn-block" role="button"><span class="glyphicon glyphicon-list-alt"></span> <br/>Apps</a>
<a href="#" class="btn btn-warning btn-block" role="button"><span class="glyphicon glyphicon-bookmark"></span> <br/>Bookmarks</a>
<a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-signal"></span> <br/>Reports</a>
<a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-comment"></span> <br/>Comments</a>
<a href="#" class="btn btn-success btn-block" role="button"><span class="glyphicon glyphicon-user"></span> <br/>Users</a>
<a href="#" class="btn btn-info btn-block" role="button"><span class="glyphicon glyphicon-file"></span> <br/>Notes</a>
<a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-picture"></span> <br/>Photos</a>
<a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-tag"></span> <br/>Tags</a>
</div>
</div>
</div>
</div>
</div>
</div>
</form>
我得到的輸出是這樣的： -https : //i.stack.imgur.com/A3C0B.png它在頁面的右側。 我希望它也可以水平居中並響應。
請幫忙..
嘗試使用col-md-offset- *，可能對您有幫助
<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <body> <form runat="server"> <div class="container"> <div class="row"> <div class="col-md-offset-3 col-sm-offset-3 col-xs-offset-3 col-md-6 col-sm-6 col-xs-6 "> <div class="panel panel-primary"> <div class="panel-heading text-center"> <h3 class="panel-title"> <span class="glyphicon glyphicon-bookmark"></span> Quick Shortcuts</h3> </div> <div class="panel-body"> <div class="row"> <div class="text-center"> <a href="#" class="btn btn-danger btn-block" role="button"><span class="glyphicon glyphicon-list-alt"></span> <br/>Apps</a> <a href="#" class="btn btn-warning btn-block" role="button"><span class="glyphicon glyphicon-bookmark"></span> <br/>Bookmarks</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-signal"></span> <br/>Reports</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-comment"></span> <br/>Comments</a> <a href="#" class="btn btn-success btn-block" role="button"><span class="glyphicon glyphicon-user"></span> <br/>Users</a> <a href="#" class="btn btn-info btn-block" role="button"><span class="glyphicon glyphicon-file"></span> <br/>Notes</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-picture"></span> <br/>Photos</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-tag"></span> <br/>Tags</a> </div> </div> </div> </div> </div> </div> </form> </body> </html>
您的代碼中缺少結束標記。
要居中，請將mx-auto添加到列中，如下所示：
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" integrity="sha384-Zug+QiDoJOrZ5t4lssLdxGhVrurbmBWopoEl+M6BdEfwnCJZtKxi1KgxUyJq13dy" crossorigin="anonymous"> <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/js/bootstrap.min.js" integrity="sha384-a5N7Y/aK3qNeh15eJKGWxsqtnX/wWdSZSKp+81YjTmS15nvnvxKHuzaWwXHDli+4" crossorigin="anonymous"></script> <form runat="server"> <div class="container"> <div class="row"> <div class="col-md-6 mx-auto"> <div class="panel panel-primary"> <div class="panel-heading text-center"> <h3 class="panel-title"> <span class="glyphicon glyphicon-bookmark"></span> Quick Shortcuts</h3> </div> <div class="panel-body"> <div class="row"> <div class="text-center"> <a href="#" class="btn btn-danger btn-block" role="button"><span class="glyphicon glyphicon-list-alt"></span> <br/>Apps</a> <a href="#" class="btn btn-warning btn-block" role="button"><span class="glyphicon glyphicon-bookmark"></span> <br/>Bookmarks</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-signal"></span> <br/>Reports</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-comment"></span> <br/>Comments</a> <a href="#" class="btn btn-success btn-block" role="button"><span class="glyphicon glyphicon-user"></span> <br/>Users</a> <a href="#" class="btn btn-info btn-block" role="button"><span class="glyphicon glyphicon-file"></span> <br/>Notes</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-picture"></span> <br/>Photos</a> <a href="#" class="btn btn-primary btn-block" role="button"><span class="glyphicon glyphicon-tag"></span> <br/>Tags</a> </div> </div> </div> </div> </div> </div> </div> </form>
PS：您似乎正在使用Bootstrap 3，但您的標記指示Bootstrap 4。
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